package com.icemelon.catdog.service;

import com.icemelon.catdog.exception.MyException;
import com.icemelon.catdog.pojo.User;

public interface UserService {
    Integer CreateUser(String userName, String userPwd);

    User selectUser(String userName, String userPwd) throws MyException;

    User updateUserPwd(String userName, String userOldpwd, String userNewpwd) throws MyException;
}
